CVE-2023-4104

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 26.5% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-09-11 08:02Z3 YR AGO

Last updated

2025-07-03 13:57Z1 YR AGO

Reserved

2023-08-02

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.1

Document digest

d14a967cc5919fed1903a7c28f0fb85fed0f56192e6a02983455ed8a0dd02448

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1831318
• github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055
• github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110
• github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-39/
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2023/08/03/1